DS/EN ISO 12922:2013
润滑油、工业油和相关产品(L 类) H 系列(液压系统) HFAE、HFAS、HFB、HFC、HFDR 和 HFDU 类别的液压油规范
Lubricants, industrial oils and related products (class L) - Family H (Hydraulic systems) - Specifications for hydraulic fluids in categories HFAE, HFAS, HFB, HFC, HFDR and HFDU